Messages in this thread | | | Subject | Re: [Xen-devel] [PATCH v8 10/13] x86/xen: Bypass intr mode setup in enlighten_pv system | From | Dou Liyang <> | Date | Mon, 28 Aug 2017 13:15:52 +0800 |
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Hi Juergen,
At 08/28/2017 12:32 PM, Juergen Gross wrote: > On 28/08/17 06:25, Juergen Gross wrote: >> On 28/08/17 05:20, Dou Liyang wrote: >>> XEN PV overrides smp_prepare_cpus(). xen_pv_smp_prepare_cpus() >>> initializes interrupts in the XEN PV specific way and does not invoke >>> native_smp_prepare_cpus(). As a consequence, x86_init.intr_mode_init() is >>> not invoked either. >>> >>> The invocation of x86_init.intr_mode_init() will be moved from >>> native_smp_prepare_cpus() in a follow up patch to solve <INSERT >>> REASON/PROBLEM>. >> >> Can you be a little bit more precise here, please? :-) >> >>> That move would cause the invocation of x86_init.intr_mode_init() for XEN >>> PV platforms. To prevent that, override the default x86_init. >>> intr_mode_init() callback with a noop(). >>> >>> [Rewrited by Thomas Gleixner <tglx@linutronix.de>] >>> >>> Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com> >>> Cc: xen-devel@lists.xenproject.org >>> Cc: boris.ostrovsky@oracle.com >> >> On which tree does this apply? Would be nice to get a hint against which >> source this can be reviewed. > > Aah, just found the rest of the series. In case a single patch of a > series isn't stand alone it would be nice to receive at least the cover > letter of the series in order to know what its all about. > Sorry to confuse you, It's my fault.
Thank you for your reply. I understood. will CC the cover letter to linux-xen and linux-acpi.
Thanks, dou.
> > Juergen > > >
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